The "no," that leaves Yancey's lips is careful, drawled long and sort of sing-song as his gaze tracks Lachlan's. He has no clue. Hasn't ever really thought about it. Compartmentalizing. Yancey feels a pang of guilt, like this is something he should've asked about, himself. How could he have been so stupid?

His free hand finds its way to the back of his head, he gives his hair a scratch before blurting, "I figured, ah, it was because Hogwarts isn't really all that pleasant a place half the time. That's not it?"